we must w______until the light turns g______ .请帮我补充单词,根据首字母..急..

we must w______until the light turns g______ .请帮我补充单词,根据首字母..急.. We must We must value what we We must ( )(work)hard. we must call the We must help them? we must help it why we must sleep We must learn it we must find a We must purify the “we must study them.是“we must study them. we must keep our classroom( ). we must ( ) our school nuiforms ( we must start tomorrow morning. We must ___(be) careful. So We must Study hard we must do more英译汉